【英文名称】Sodium Nitrite
【分子式】NaNO2
【分子量】69.00
【CA登录号】[7632-00-0]
【结构式】NaNO2
【物理性质】mp 271 oC；d 2.17 g/cm³。极易溶于水(0.815 g/mL, 15 oC)；溶于DMSO、DMF,微溶于Et2O、MeOH、EtOH。
【注意事项】白色晶体，易吸水，应保存于干燥密封的容器中，在空气中亚硝酸盐很容易被氧气氧化。NaNO2溶液很不稳定，不能长时间保存。NaNO2遇酸会形成弱酸，并产生棕色气体N2O3。亚硝酸钠有毒，不能用口尝。
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与氨及相关物质的反应
C-亚硝化反应
氧化反应
A mixture of compound 1 (6.6 g, 35 mmol), conc. H2SO4 (29 ml), AcOH ( 58 ml) and water (115 ml) was heated at 120°C for 1h, then a solution of NaNO2 (4.0 g), in water (30 ml) was added at 90~100°C. After the mixture had been heated for 1 h, NaCl (40 g) was added to the hot mixture and the whole was cooled in an ice-bath. The precipitate was collected to give the crude free acid (6.2 g, 62%).
【Chem. Pharm. Bull.; EN, 33, 8, 1985, 3336-3348】
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本文转自：《现代有机合成试剂——性质、制备和反应》，胡跃飞等编著
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